Home / 13,259.56-19,896.54-9,970.60

Finding the Fourth Proportional to 13,259.56, 19,896.54 and 9,970.60

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Solution

The fourth proportional to 13,259.56, 19,896.54 and 9,970.60 is: 14,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.56 : 19,896.54 = 9,970.60 : x
  2. Step 2: Convert to fraction form
    13,259.56/19,896.54 = 9,970.60/x
  3. Step 3: Cross multiply
    13,259.56x = 19,896.54 × 9,970.60
  4. Step 4: Simplify right side
    13,259.56x = 198,380,441.72
  5. Step 5: Solve for x
    x = 198,380,441.72/13,259.56
  6. Step 6: Final answer
    x = 14,961.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.